Home / 31,730,156.55-43,796,696.22-18,684,982.29

Finding the Fourth Proportional to 31,730,156.55, 43,796,696.22 and 18,684,982.29

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Solution

The fourth proportional to 31,730,156.55, 43,796,696.22 and 18,684,982.29 is: 25,790,622.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,730,156.55 : 43,796,696.22 = 18,684,982.29 : x
  2. Step 2: Convert to fraction form
    31,730,156.55/43,796,696.22 = 18,684,982.29/x
  3. Step 3: Cross multiply
    31,730,156.55x = 43,796,696.22 × 18,684,982.29
  4. Step 4: Simplify right side
    31,730,156.55x = 818,340,493,231,209.88
  5. Step 5: Solve for x
    x = 818,340,493,231,209.88/31,730,156.55
  6. Step 6: Final answer
    x = 25,790,622.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.